Layer (5,6,7) based NAT

Kirk Wallace kwallace at wallacecompany.com
Sun Apr 29 18:33:59 CEST 2007


Adam

I was looking at this to solve another problem, but it may help you
solve yours?

http://l7-filter.sourceforge.net/

Kirk
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
On Sun, 2007-04-29 at 07:42 -0600, Adam wrote:
> I am wondering weather this is possible. I have one port and one public IP
> address lets say:
> 
> 34.123.22.33:5615
> 
> If I connect using SSH I want to DNAT to port 22, if I connect using SSL I
> want to DNAT to port 443, if I connect using HTTP I want to DNAT to port
> 80.
> 
> If this kind of upper layer protocol determination possible? If so, is
> netfiter the application to do it?
> 
> 
> 
> 




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